Koji Seki
Acting
Biography
Koji Seki (関 幸司, Seki Kōji, born November 25, 1982) is a Japanese voice actor from Saitama Prefecture who is affiliated with Raccoon Dog. He graduated from Pro-Fit Voice Actor Training School and joined the agency Pro-Fit. On April 1, 2022, he transferred to Raccoon Dog.
As actor 38
JUJUTSU KAISEN
2020
Frieren: Beyond Journey's End
2023
SPY x FAMILY
2022
Akane-banashi
2026
BLUE LOCK
2022
Haikyu!!
2014
Sword Art Online
2012
Mission: Yozakura Family
2024
Tower of God
2020
You and I Are Polar Opposites
2026
Dan Da Dan
2024
March Comes In Like a Lion
2016
Star Wars: Visions
2021
NieR:Automata Ver1.1a
2023
Puniru Is a Kawaii Slime
2024
Star Wars: Visions Presents - The Ninth Jedi
2026
Yashahime: Princess Half-Demon
2020
Super Cub
2021
The Quintessential Quintuplets
2019
Orb: On the Movements of the Earth
2024
Solo Camping for Two
2025
Catch Me at the Ballpark!
2025
Summer Pockets
2025
I've Been Killing Slimes for 300 Years and Maxed Out My Level
2021
HAIKYU!! The Dumpster Battle
2024
Let This Grieving Soul Retire
2024
Remake Our Life!
2021
I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too
2023
Inexpressive Kashiwada and Expressive Oota
2025
Daily Lives of High School Boys
2012
The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far
2023
Welcome to the Outcast's Restaurant!
2025
ID: INVADED
2020
Tearmoon Empire
2023
Turkey! Time to Strike
2025
Sword Art Online the Movie – Progressive – Scherzo of Deep Night
2022
Umamusume: Pretty Derby - Beginning of a New Era
2024
DAN DA DAN: First Encounter
2024